• Country
• United States of America (USA)

• Manufacturer / Brand
• Wallace & Co. (Paul E.); New York City, New York

• Year
• 1911–1913

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 216841

• Number of Tubes
• 1

• Valves / Tubes
• Detector_Wallace

• Main principle
• Detector with Vacuum Tube (Valve), no tuner

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Wallace Valve Detector - Wallace & Co. Paul E.; New

• Shape
• Tablemodel, with any shape - general.

• Notes
• Wallace produced this Detector in the summer of 1911. DeForest Radio's RJ4 Audio detector was a direct copy of this detector. In fact the first advertisement for the De Forest RJ4 used the same picture that appeared in the Wallace Valve Detector advertisements. Reference from Gerald Tyne and the RJ4 detector and the Wallace mystery 1978.

• Mentioned in
• 1978 The RJ4 Detector and the Wallace Mystery by Gerald Tyne

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wallace & Co. (Paul E.); New York City, New York